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Questions tagged [webmail]

Webmail is email client implementation as a web application running on a web server. It provides basic functions such as receiving and sending email via web browser.

Basically, there two types of webmail: (1) a webmail software that can be downloaded and installed to any webserver or (2) a webmail that provided and maintained by ISP/Free Mail Provider.

Some examples of webmail software were and . It must be downloaded, installed and configured by sysadmin so it connected to existing mail stack. End user can access the webmail after they provide username and password.

Some examples of webmail provider is Gmail, Yahoo and Hotmail. All of them are free to use. They also provide the paid version of webmail with more advanced functionality.

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Transfer WebMail Client mails to another WebMail Cleint

I was using web mail client provided from my hosting company. Everything i was reading or sending it was done there. Now i want to install my own web mail client like Round cube or similar. 1) Can i transfer my mails from old one to my new? 2) When…
Novkovski Stevo Bato
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SunOne webMail - mail rule format

Migrating eMails off a SunOne mail server. Getting the messages (via POP3) is easy. But I also want to grab the mail rules users have configured. I don't seem to be able to find documentation about them. What format are they stored in?
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What's the easiest way to allow Exchange 2003 remote (no MSO client) users check their Mailbox size?

We are migrating from Exchange 2003 with no quota settings to Exchange 2010 with limited mailbox sizes. We are trying to get users to clean their mailboxes prior to the move to reduce the transfer load, as well as to comply with new quotas on the…
Myrddin Emrys
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How can I add Prototype JS to Nutsmail/Squirrelmail?

Nutsmail is a commercialized assembly of customized skins wrapped around the mainstream Squirrelmail software. One of the Squirrelmail plugins we're using is 'avelsieve' which provide a web interface to the server-side sieve scripts. The latest…
Craig Constantine
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webmail postfix Maildir via netapp is very slow

I have postfix+courier mail server and I am using squirrelmail as webmail in another server. maildir dirs are in netapp server on fc disks. There is not other speed problem with other servers that using netapp. but my squirrelmail web page is very…
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HipHop (PHP) acceleration for SquirrelMail?

Has anybody ever tried HipHop or any other PHP acceleration method for SquirrelMail? Was it a plug-and-play thing, or did it require significant modification of the source code?
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Dovecot + Roundcube + One Time Password Authentification = Possible?

As stated in the topic, I would like to install the dovecot imapserver, and enable web-access via the roundcube-client. To heighten security when logging in from unsecure machines, I would like to login via One Time Passwords (e.g. OPIE). Would…
jottr
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Access Gmail via IIS?

I work at various sites, and it's not always possible to access my Gmail account due to various firewall restrictions. However I can access my server at home (which has a static ip). My server runs Windows 2008 R2 (x64). I was wondering if it was…
Rich
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Which free IMAP-supporting webmail would you recommend?

Considering a machine with IIS 7.5/PHP 5.2/asp.net and mysql/MSSQL available, which webmail would you pick? Don't think it's relevant but the mail server is installed on localhost, and is hmailserver. If it's one using asp.net it'd be a bonus, but…
Razor
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How can a Postfix/Dovecot(ssl)/Apache/Roundcube(non-ssl) setup leak email addresses?

I have a linux box email server with Postfix as the MTA, Dovecot as the IMAP server and Apache with Roundcube as webmail. In my /etc/postfix/aliases I have just above a hundred different aliases which makes as many email addresses on my domain. I…
Jens Björnhager
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Getting Error 550 while sending a message (Postfix)

I have Ubuntu Server 22.04, Postfix, Dovecot, MariaDB and Roundcube Webmail. I’ve created two mailboxes: connor@epam.tr.local and nort@epam.tr.local. If I try to send a message to each other or to itself I’ll get the error: “SMTP Error (550): Failed…
Ilya Shmadchenko
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Email server with DigitalOcean and Webmin Does not send to Yahoo, Hotmail

I been following tutorials on how to setup my own SMTP server for Email marketing using Digital ocean Droplets and Webmin I came to a point where I have installed the Webmin using PUtty, set up DKIM and SPF, MX etc. respectively. But I used a Free…
Joe Frey
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Roundcube restricts attachment below declared limit

I have mail server with spec: Centos 7 Roundcube 1.3.5 MTA Postfix 2.10.1 I have limited the attachment upload size to 5M in: /etc/php.ini => post_max_size = 10M , upload_max_filesize = 5M Roundcube => config.php : $config['max_message_size'] =…
Ratan Thapa
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Issues with DNS & SMTP with my Domain while setting webmail on my premises

My domain is worldlightingservice.com I've been able to work out a lot of issues that I had from searching on https://mxtoolbox.com/ (A records, dns, smtp, blacklist and many others) but I'm not able to work out the reverse DNS lookup. I just can't…
Lucas Rene Gileno
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Deleting emails from an Outlook client connecting to POP mailbox

I have POP setup so I can check my rocketmail.com webmail in Outlook Express. I signed up to a high volume mailing list that filled up my inbox with several thousand emails. I deleted them from Outlook but when I go to sync with rocketmail it…
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